add sam7x scons script.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1475 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/sam7x/SConscript

+import rtconfig
+Import('RTT_ROOT')
+from building import *
+
+src_bsp = ['application.c', 'startup.c', 'board.c']
+src_drv = ['serial.c']
+
+if GetDepend('RT_USING_DFS'):
+	src_drv += ['sd.c']
+
+if GetDepend('RT_USING_LWIP'):
+	src_drv += ['sam7x_emac.c']
+
+
+src	= File(src_bsp + src_drv)
+CPPPATH = [RTT_ROOT + '/bsp/sam7x']
+group = DefineGroup('Startup', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')

bsp/sam7x/SConstruct

+import os
+import sys
+import rtconfig
+
+if os.getenv('RTT_ROOT'):
+    RTT_ROOT = os.getenv('RTT_ROOT')
+else:
+    RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
+
+sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
+from building import *
+
+TARGET = 'rtthread-sam7x.' + rtconfig.TARGET_EXT
+
+env = Environment(tools = ['mingw'],
+	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
+	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	CXX = rtconfig.CXX,
+	AR = rtconfig.AR, ARFLAGS = '-rc',
+	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
+env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
+
+Export('RTT_ROOT')
+Export('rtconfig')
+
+# prepare building environment
+objs = PrepareBuilding(env, RTT_ROOT)
+
+
+# kernel testsuite
+#objs = objs + SConscript(RTT_ROOT + '/examples/kernel/SConscript', variant_dir='build/examples/kernel', duplicate=0)
+
+# build program 
+env.Program(TARGET, objs)
+
+# end building 
+EndBuilding(TARGET)

bsp/sam7x/rtconfig.h

@@ -101,7 +101,7 @@
 #define RT_LWIP_ICMP
 
 /* Enable IGMP protocol*/
-#define RT_LWIP_IGMP
+//#define RT_LWIP_IGMP
 
 /* Enable UDP protocol*/
 #define RT_LWIP_UDP

bsp/sam7x/rtconfig.py

+# panel options
+# 'PNL_A70','PNL_N35', 'PNL_T35'
+RT_USING_LCD_TYPE = 'PNL_T35'
+
+# toolchains options
+ARCH     = 'arm'
+CPU      = 'AT91SAM7X'
+
+CROSS_TOOL 	= 'gcc'
+
+if  CROSS_TOOL == 'gcc':
+	PLATFORM 	= 'gcc'
+	EXEC_PATH 	= 'C:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
+elif CROSS_TOOL == 'keil':
+	PLATFORM 	= 'armcc'
+	EXEC_PATH 	= 'C:/Keil'
+BUILD = 'debug'
+
+if PLATFORM == 'gcc':
+    # toolchains
+    PREFIX = 'arm-none-eabi-'
+    CC = PREFIX + 'gcc'
+    CXX = PREFIX + 'g++'
+    AS = PREFIX + 'gcc'
+    AR = PREFIX + 'ar'
+    LINK = PREFIX + 'gcc'
+    TARGET_EXT = 'axf'
+    SIZE = PREFIX + 'size'
+    OBJDUMP = PREFIX + 'objdump'
+    OBJCPY = PREFIX + 'objcopy'
+
+    DEVICE = ' -mcpu=arm7tdmi'
+    CFLAGS = DEVICE
+    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
+    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=sam7x_rom_gcc.map,-cref,-u,_start -T sam7x_rom.lds'
+    CPATH = ''
+    LPATH = ''
+
+    if BUILD == 'debug':
+        CFLAGS += ' -O0 -gstabs+ -Wall'
+        AFLAGS += ' -gstabs+'
+    else:
+        CFLAGS += ' -O2'
+
+    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread-sam7x.bin\n' + SIZE + ' $TARGET \n'
+
+elif PLATFORM == 'armcc':
+    # toolchains
+    CC = 'armcc'
+    CXX = 'armcc'    
+    AS = 'armasm'
+    AR = 'armar'
+    LINK = 'armlink'
+    TARGET_EXT = 'axf'
+
+    DEVICE = ' --device DARMSS9'
+    CFLAGS = DEVICE + ' --apcs=interwork --diag_suppress=870'
+    AFLAGS = DEVICE
+    LFLAGS = DEVICE + ' --strict --info sizes --info totals --info unused --info veneers --list rtthread-mini2440.map --ro-base 0x30000000 --entry Entry_Point --first Entry_Point'
+
+    CFLAGS += ' -I"' + EXEC_PATH + '/ARM/RV31/INC"'
+    LFLAGS += ' --libpath "' + EXEC_PATH + '/ARM/RV31/LIB"'
+
+    EXEC_PATH += '/arm/bin40/'
+
+    if BUILD == 'debug':
+        CFLAGS += ' -g -O0'
+        AFLAGS += ' -g'
+    else:
+        CFLAGS += ' -O2'
+
+    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
+
+elif PLATFORM == 'iar':
+    # toolchains
+    CC = 'armcc'
+    AS = 'armasm'
+    AR = 'armar'
+    LINK = 'armlink'
+
+    CFLAGS = ''
+    AFLAGS = ''
+    LFLAGS = ''

bsp/sam7x/sam7x_rom.lds

@@ -12,6 +12,18 @@ SECTIONS
 	{
 		*(.init)
 		*(.text)
+
+		/* section information for finsh shell */
+		. = ALIGN(4);
+		__fsymtab_start = .;
+		KEEP(*(FSymTab))
+		__fsymtab_end = .;
+		. = ALIGN(4);
+		__vsymtab_start = .;
+		KEEP(*(VSymTab))
+		__vsymtab_end = .;
+		. = ALIGN(4);	
+
 	} > CODE = 0
 
 	. = ALIGN(4);

bsp/sam7x/startup.c

@@ -40,7 +40,7 @@ extern void finsh_system_init(void);
 extern int Image$$RW_IRAM1$$ZI$$Limit;
 #endif
 
-#ifdef __GNUCC__
+#ifdef __GNUC__
 extern unsigned char __bss_start;
 extern unsigned char __bss_end;
 #endif
@@ -79,7 +79,7 @@ void rtthread_startup(void)
 
 	/* init board */
 	rt_hw_board_init();
-	
+
 	rt_show_version();
 
 	/* init tick */
@@ -151,7 +151,7 @@ int main (void)
 {
 	/* invoke rtthread_startup */
 	rtthread_startup();
-	
+
 	return 0;
 }